/*
 * KEIKO sign in pages
 *
 * Builds on website.css and registration.css. Every rule is scoped to body.kw-login
 * so that it can never affect the main KEIKO system.
 */

.kw-login .kw-login-shell {
    flex: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    min-height: 100vh;
}

/* ---------------------------------------------------------------------- */
/* brand panel                                                            */
/* ---------------------------------------------------------------------- */

/* a deep panel with teal glows over the site's grid pattern */
.kw-login .kw-login-aside {
    position: relative;
    overflow: hidden;
    border-right: 1px solid var(--kw-line);
    background:
        radial-gradient(ellipse at 15% 105%, rgba(var(--kw-accent-rgb), 0.30), transparent 55%),
        radial-gradient(ellipse at 95% 0%, rgba(var(--kw-accent-rgb), 0.12), transparent 45%),
        linear-gradient(160deg, #142029 0%, #0d1219 100%);
}

.kw-login .kw-login-aside::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("images/pattern-dark.png");
    background-size: 4.6875rem;
    opacity: 0.5;
    -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
    mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}

/* 稽古 (keiko - practice) as a large watermark */
.kw-login .kw-login-kanji {
    position: absolute;
    top: 50%;
    right: 1.5rem;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    font-family: "Noto Serif JP", serif;
    font-weight: 900;
    font-size: min(30vh, 13rem);
    line-height: 1.05;
    color: transparent;
    -webkit-text-stroke: 1px rgba(var(--kw-accent-rgb), 0.22);
    background: linear-gradient(180deg, rgba(var(--kw-accent-rgb), 0.10), rgba(255, 255, 255, 0.02));
    -webkit-background-clip: text;
    background-clip: text;
    user-select: none;
    pointer-events: none;
}

.kw-login .kw-login-aside-inner {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 3rem;
    padding: 2.5rem 3.5rem;
}

.kw-login .kw-login-aside .kw-brand img {
    height: 2rem;
}

.kw-login .kw-login-aside-content {
    position: relative;
    max-width: 27rem;
}

/* narrower panels: the watermark would crowd the text */
@media (max-width: 1279.98px) {
    .kw-login .kw-login-kanji {
        opacity: 0.45;
    }
}

.kw-login .kw-login-aside-content h2 {
    font-size: clamp(2rem, 3.2vw, 2.9rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 1.1rem;
}

.kw-login .kw-login-aside-content p {
    color: var(--kw-text-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.kw-login .kw-login-points {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.9rem;
}

.kw-login .kw-login-points li {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    color: var(--kw-text);
}

.kw-login .kw-login-point-icon {
    width: 2.4rem;
    height: 2.4rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(var(--kw-accent-rgb), 0.4);
    background: rgba(var(--kw-accent-rgb), 0.1);
    color: var(--kw-accent);
    font-size: 0.9rem;
}

.kw-login .kw-login-aside-foot {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem 2rem;
    color: var(--kw-text-muted);
    font-size: 0.8rem;
}

.kw-login .kw-login-meaning {
    color: rgba(var(--kw-accent-rgb), 0.85);
    letter-spacing: 0.04em;
}

/* ---------------------------------------------------------------------- */
/* sign in side                                                           */
/* ---------------------------------------------------------------------- */

.kw-login .kw-login-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: 1.5rem 2.5rem 2rem;
}

.kw-login .kw-login-top {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-height: 2.5rem;
}

.kw-login .kw-login-top-brand {
    display: none;
    margin-right: auto;
}

.kw-login .kw-login-top-brand img {
    height: 1.75rem;
}

.kw-login .kw-login-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.kw-login .kw-login-card {
    width: min(100%, 27rem);
    height: auto;
    padding: 2.5rem 2.25rem 2.25rem;
    background: rgba(26, 36, 48, 0.78);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
    animation: kw-login-in 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes kw-login-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
}

.kw-login .kw-login-step-icon {
    width: 3.25rem;
    height: 3.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(var(--kw-accent-rgb), 0.45);
    background: rgba(var(--kw-accent-rgb), 0.1);
    color: var(--kw-accent);
    font-size: 1.2rem;
    box-shadow: 0 0 0 7px rgba(var(--kw-accent-rgb), 0.06), 0 0 30px rgba(var(--kw-accent-rgb), 0.2);
}

.kw-login .kw-login-card h1 {
    font-size: 1.65rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.kw-login .kw-login-intro {
    color: var(--kw-text-muted);
    line-height: 1.6;
    margin-bottom: 0;
    overflow-wrap: anywhere;
}

/* the email being signed in */
.kw-login .kw-login-who {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-top: 1.25rem;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--kw-line);
    background: rgba(0, 0, 0, 0.2);
    font-size: 0.875rem;
}

.kw-login .kw-login-who-avatar {
    width: 1.9rem;
    height: 1.9rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--kw-accent);
    color: var(--kw-ink);
    font-weight: 700;
    font-size: 0.85rem;
}

.kw-login .kw-login-who-email {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #fff;
}

.kw-login .kw-login-who a {
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
}

/* messages */
.kw-login .kw-alert {
    display: flex;
    gap: 0.7rem;
    margin-top: 1.25rem;
    padding: 0.8rem 1rem;
    font-size: 0.875rem;
    line-height: 1.5;
    border-left: 2px solid;
}

.kw-login .kw-alert i {
    margin-top: 0.15rem;
}

.kw-login .kw-alert.is-error {
    border-color: #ff6b6b;
    background: rgba(255, 107, 107, 0.09);
    color: #ffb3b3;
}

.kw-login .kw-alert.is-info {
    border-color: var(--kw-accent);
    background: rgba(var(--kw-accent-rgb), 0.09);
    color: #b9f3e2;
}

/* forms */
.kw-login .kw-login-form {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
}

.kw-login .kw-login-form .form-label {
    margin-top: 0.9rem;
}

.kw-login .kw-login-form .form-label:first-of-type,
.kw-login .kw-login-hidden + .form-label,
.kw-login .kw-login-hidden + .kw-login-label-row .form-label {
    margin-top: 0;
}

.kw-login .kw-login-form .form-control {
    min-height: 3rem;
}

.kw-login .kw-pass-toggle {
    height: 3rem;
}

.kw-login .kw-login-label-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.kw-login .kw-login-label-row a {
    font-size: 0.8rem;
    text-decoration: none;
}

/* kept for password managers, never shown */
.kw-login .kw-login-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.kw-login .kw-btn-block {
    width: 100%;
    justify-content: center;
    margin-top: 1.5rem;
    padding-top: 0.95rem;
    padding-bottom: 0.95rem;
}

.kw-login .kw-login-remember {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    margin-top: 1.1rem;
    cursor: pointer;
}

.kw-login .kw-login-remember .form-check-input {
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.kw-login .kw-login-remember-title {
    display: block;
    font-size: 0.9rem;
    color: var(--kw-text);
}

.kw-login .kw-login-remember-note {
    display: block;
    font-size: 0.78rem;
    color: var(--kw-text-muted);
}

/* the emailed code - big, spaced capitals */
.kw-login .kw-code {
    min-height: 3.6rem !important;
    text-align: center;
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: 0.55em;
    padding-left: 0.55em;
    text-transform: uppercase;
}

/* live password checks */
.kw-login .kw-check {
    margin-top: 0.45rem;
    font-size: 0.8rem;
    color: var(--kw-text-muted);
    transition: color 0.2s ease;
}

.kw-login .kw-check i {
    margin-right: 0.3rem;
    opacity: 0.35;
    transition: opacity 0.2s ease;
}

.kw-login .kw-check.is-ok {
    color: var(--kw-accent);
}

.kw-login .kw-check.is-ok i {
    opacity: 1;
}

.kw-login .kw-login-resend {
    margin-top: 1.25rem;
    text-align: center;
}

.kw-login .kw-login-resend .kw-link-arrow:disabled {
    color: var(--kw-text-muted);
    cursor: default;
}

.kw-login .kw-login-links {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--kw-text-muted);
    text-align: center;
}

.kw-login .kw-login-links a {
    font-weight: 600;
    text-decoration: none;
}

/* ---------------------------------------------------------------------- */
/* responsive                                                             */
/* ---------------------------------------------------------------------- */

@media (max-width: 991.98px) {
    .kw-login .kw-login-shell {
        grid-template-columns: minmax(0, 1fr);
    }

    .kw-login .kw-login-aside {
        display: none;
    }

    .kw-login .kw-login-top-brand {
        display: block;
    }

    .kw-login .kw-login-main {
        padding: 1.25rem 1rem 1.5rem;
    }
}

@media (max-width: 575.98px) {
    .kw-login .kw-login-card {
        padding: 2rem 1.35rem 1.75rem;
    }

    .kw-login .kw-login-card h1 {
        font-size: 1.45rem;
    }

    .kw-login .kw-code {
        font-size: 1.45rem;
        letter-spacing: 0.4em;
        padding-left: 0.4em;
    }
}

/* ---------------------------------------------------------------------- */
/* error pages - the card on its own, without the brand panel              */
/* ---------------------------------------------------------------------- */

.kw-login.kw-login-solo .kw-login-shell {
    grid-template-columns: minmax(0, 1fr);
}

.kw-login.kw-login-solo .kw-login-top-brand {
    display: block;
}

.kw-login .kw-error-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.75rem;
}

/* ---------------------------------------------------------------------- */
/* the home page look - deep ink, a faint grid, mint light, soft corners   */
/* ---------------------------------------------------------------------- */

.kw-login {
    --kw-ink: #070b10;
    --kw-surface: rgba(17, 25, 35, 0.72);
    --kw-line: rgba(255, 255, 255, 0.08);
    --kw-text: #e9eef2;
    --kw-text-muted: #9aa7b2;
    background: #070b10;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    font-size: 0.95rem;
    letter-spacing: normal;
    -webkit-font-smoothing: antialiased;
}

/* the old theme spaces every letter out - plain reading text here */
.kw-login p,
.kw-login li,
.kw-login label,
.kw-login .form-control,
.kw-login .kw-login-links,
.kw-login .kw-login-aside-foot {
    letter-spacing: normal;
}

/* the faint grid, fading out downwards, and a slow mint glow */
.kw-login::before {
    background:
        radial-gradient(50vw 50vw at 100% -10%, rgba(var(--kw-accent-rgb), 0.16), transparent 70%),
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px) 0 0 / 64px 64px,
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px) 0 0 / 64px 64px;
    opacity: 1;
    -webkit-mask-image: radial-gradient(ellipse at 60% 0%, #000 0%, transparent 80%);
    mask-image: radial-gradient(ellipse at 60% 0%, #000 0%, transparent 80%);
}

.kw-login h1,
.kw-login h2,
.kw-login .kw-btn,
.kw-login .kw-eyebrow {
    font-family: 'Chakra Petch', system-ui, sans-serif;
}

.kw-login h1,
.kw-login h2 {
    font-weight: 700;
    letter-spacing: -0.015em;
    color: #fff;
}

/* the brand panel: ink with mint light from below, the grid, and a quiet kanji */
.kw-login .kw-login-aside {
    border-right-color: var(--kw-line);
    background:
        radial-gradient(ellipse at 10% 110%, rgba(var(--kw-accent-rgb), 0.28), transparent 55%),
        radial-gradient(ellipse at 100% 0%, rgba(46, 122, 168, 0.14), transparent 50%),
        linear-gradient(170deg, #0c141b 0%, #070b10 100%);
}

.kw-login .kw-login-aside::before {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 64px 64px;
    opacity: 1;
}

.kw-login .kw-login-kanji {
    color: rgba(var(--kw-accent-rgb), 0.07);
    -webkit-text-stroke: 0;
    background: none;
}

.kw-login .kw-login-aside-content h2 {
    font-size: clamp(2.1rem, 3.4vw, 3.1rem);
    line-height: 1.08;
}

.kw-login .kw-login-aside-content h2 + p {
    font-size: 1.05rem;
}

.kw-login .kw-eyebrow {
    letter-spacing: 0.18em;
}

.kw-login .kw-login-point-icon,
.kw-login .kw-login-step-icon {
    border-radius: 0.8rem;
    border-color: rgba(var(--kw-accent-rgb), 0.25);
    background: linear-gradient(145deg, rgba(var(--kw-accent-rgb), 0.18), rgba(var(--kw-accent-rgb), 0.04));
}

.kw-login .kw-login-step-icon {
    border-radius: 0.95rem;
    box-shadow: 0 0 40px -6px rgba(var(--kw-accent-rgb), 0.35);
}

/* the card: glass with soft corners - the HUD corner marks are retired here */
.kw-login .kw-login-card {
    border-radius: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(17, 25, 35, 0.72);
    box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.8), 0 0 80px -30px rgba(var(--kw-accent-rgb), 0.18);
}

.kw-login .kw-login-card .card-arrow {
    display: none;
}

.kw-login .kw-login-card h1 {
    font-size: 1.85rem;
}

/* plain labels, rounded fields with a mint focus ring */
.kw-login .form-label {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    color: #b6c2cc;
}

.kw-login .form-control {
    border-radius: 0.75rem;
    border-color: rgba(255, 255, 255, 0.12);
    background-color: rgba(0, 0, 0, 0.25);
    font-family: inherit;
}

.kw-login .form-control:focus {
    border-color: rgba(var(--kw-accent-rgb), 0.6);
    box-shadow: 0 0 0 4px rgba(var(--kw-accent-rgb), 0.12);
}

.kw-login .kw-code {
    font-family: 'Chakra Petch', system-ui, sans-serif;
}

.kw-login .kw-pass-toggle {
    border-radius: 0 0.75rem 0.75rem 0;
}

/* the mint button from the home page */
.kw-login .kw-btn {
    border-radius: 0.8rem;
    text-transform: none;
    letter-spacing: 0.02em;
    font-size: 1rem;
    font-weight: 600;
}

.kw-login .kw-btn-primary {
    border-color: transparent;
    background: linear-gradient(180deg, #5fe2bb, var(--kw-accent));
    box-shadow: 0 10px 30px -8px rgba(var(--kw-accent-rgb), 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kw-login .kw-btn-primary:hover,
.kw-login .kw-btn-primary:focus-visible {
    border-color: transparent;
    background: linear-gradient(180deg, #6ee8c4, #48dbb0);
    transform: translateY(-1px);
    box-shadow: 0 16px 40px -8px rgba(var(--kw-accent-rgb), 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.kw-login .kw-btn-ghost,
.kw-login .kw-btn-outline {
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.03);
}

/* softer corners on the small boxes too */
.kw-login .kw-login-who,
.kw-login .kw-alert {
    border-radius: 0.8rem;
}

.kw-login .kw-alert {
    border: 1px solid;
}

.kw-login .kw-alert.is-error {
    border-color: rgba(239, 100, 97, 0.35);
}

.kw-login .kw-alert.is-info {
    border-color: rgba(var(--kw-accent-rgb), 0.35);
}

.kw-login .kw-login-who-avatar {
    font-family: 'Chakra Petch', system-ui, sans-serif;
}